ace
noun
a playing card or die marked with or having the value indicated by a single spot.
Used to describe an ongoing action or continuous state that was happening at a specific time in the past.
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
The empress had risen and was acing the floor in great agitation.
From Joseph II. and His Court by L. (Luise) Mühlbach